package com.sky.controller.admin;

import com.github.pagehelper.Page;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags="菜品相关接口")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    //清除Redis缓存的方法
    private void cleanCache(String pattern) {
        Set keys =redisTemplate .keys(pattern);
        redisTemplate.delete(keys);
    }

    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品,{}",dishDTO);
        dishService.save(dishDTO);
        //精确清除缓存
        String key="dish_"+dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("菜品分页管理")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询:{}",dishPageQueryDTO);
        PageResult pageResult=dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }


    //批量删除,需要获取ids用逗号分格.
    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result delete(@RequestParam List<Long> ids){
        log.info("菜品批量删除:{}",ids);
        dishService.delete(ids);
        //清除全部缓存
        cleanCache("dish_*");
        return Result.success();
    }

    //根据id查询菜品和口味用于修改数据
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品:{}",id);
        DishVO dishVO=dishService.getByIdAndFlavor(id);
        return Result.success(dishVO);
    }

    //修改数据
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品:{}",dishDTO);
        dishService.update(dishDTO);
        //清除全部缓存
        cleanCache("dish_*");
        return Result.success();
    }

    //修改起售,停售.
    @PostMapping("/status/{status}")
    @ApiOperation("修改状态")
    public Result updateStatus(@PathVariable Integer status ,Long id){
        log.info("修改状态{}",status);
        dishService.updateStatus(status,id);

        //清除全部缓存
        cleanCache("dish_*");
        return Result.success();
    }

    //根据分类id查询菜品
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }


}
